Add Zig Cat Example (draft)

zig-cat/.gitignore

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+zig-out/
+.zig-cache/

zig-cat/build.zig

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+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const exe = b.addExecutable(.{
+        .name = "zig-cat",
+        .root_source_file = b.path("src/main.zig"),
+        .target = b.host,
+    });
+
+    b.installArtifact(exe);
+
+    const run_exe = b.addRunArtifact(exe);
+    const run_step = b.step("run", "Run the application");
+
+    run_step.dependOn(&run_exe.step);
+
+    const unit_tests = b.addTest(.{
+        .root_source_file = b.path("src/main.zig"),
+        .target = b.host,
+    });
+
+    const test_step = b.step("test", "Run unit tests");
+    const run_unit_tests = b.addRunArtifact(unit_tests);
+
+    test_step.dependOn(&run_unit_tests.step);
+}

zig-cat/src/main.zig

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+const std = @import("std");
+
+pub fn main() !void {
+    for (std.os.argv[1..]) |file_path_sent| {
+        const file_path = std.mem.span(file_path_sent);
+        const file = try std.fs.openFileAbsolute(
+            file_path,
+            .{ .mode = .read_only },
+        );
+        defer file.close();
+
+        while (true) {
+            const rw_result = file.reader().streamUntilDelimiter(
+                std.io.getStdOut().writer(),
+                '\n',
+                null,
+            );
+
+            if (rw_result) |_| {} else |_| {
+                break;
+            }
+
+            std.debug.print("\n", .{});
+        }
+    }
+}